Belt guide and holder.



No. 842,174. PATENTED JAN. 29, 1907. I A. J. OHAPPIN.

BELT GUIDE AND HOLDER.

APPLICATION FILED 0OT.4, 1906.

2 BHEETSSHEET 2.

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rue mums PETER: cm, WASHINGTCIN n c v v vw AARON J. OHAFFIN, OF. RIPON, WISCONSIN.

BELT GUIDE AND HOLDER.

Specification of Letters Patent.

Patented Jan. 29, 1907.

Application filed October 4, 1906. Serial No. 337.378.

To all whom it may concern.-

Be it known that I, AARON J. CIIAFFIN, a citizen of the United States, residing at Ripon, in the county of Fond du Lac and State of Wisconsin, have invented certain new and useful Improvements in Belt Guides Holders and I do hereby declare the following to be a'full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to new and useful improvements in belt guides and holders, and more particularly to that class adapted to be used in connection with engines for retaining a belt upon the driving-wheel; and my object is to provide a device of this class which is adapted to be disposed into engagement with the edges of thedriVing-wheel to hold the belt thereon.

A further object is to provide means for removing the device from engagement with the wheel, whereby the belt may be removed or inserted thereon.

A still further object is to provide means to adjustthe parts of the device, whereby it may be used inconnection with drivingwheels of various widths.

Other objects and advantages will be hereinafter referred to, and more particularly pointed out in the claims. I

In the accompanying drawings, which are made a part of this application, Figure 1 is an end elevation of a boiler, showing the drivingwheel and supporting-shaft mounted thereon. Fig. 2 is a side elevation thereof. Fig. 3 is a detail elevation of a portion of the operating mechanism removed from the boiler. Fig. 4 is a detail sectional view of a portion of the device and Fig. 5 is a detail view, partly in sectlon and on an enlarged scale, of a portion of the supporting mechanism for the device. Referring to the drawings, in which simllar reference-numerals designate corresponding parts throughout the several views, 1 indicates a boiler, which may be of the usual or any preferred form, to which is secured a bracket 2, in the upper end of which is rotatably mounted one end of a driving-shaft 3, and this shaft has secured to its outer free end the usual form of belt-wheel 4, which is.

constructed in the usual manor and provided with a flange 5, around which is adapted to strong blasts of air that the belt is frequently blown from the belt-wheel, and 'to overcome this objection and prevent the belt from leaving the wheel I have provider: my improved guide or holder, which consists of a curved beam 7., to each end of which is secured a cross-head 8, said cross-heads having ribs 9 at their central portion, between which are located the ends of the curved beam 7, and the cross-heads are secured to the beam by passing a bolt 10 through the cross-heads and beam'and securing the same therein by nuts 11. To the outer ends of the cross-heads 8 are secured guide-wheels 1.2, said wheels being provided with the usual form of tread 13, at one edge of which is disposed a flange 14, the wheels 12 being secured to the cross-heads 8 by means of a stub-shaft 15, which. is provided at one end with a head 16 and with a threaded reduced portion 1.7 at

its opposite end, the reduced portion being disposed through elongated slots 18, formed in the ends of the cross-heads 8, by which means the guide-wheels 12 maybe adjusted to fit'diiferent-sized belt-wheels. The shaft 15 is held in its adjusted position by means of a nut 19, which takes onto the threaded portion of the reduced end 17, the cross-head being clamped between the nut 19 and a shoulder 20, formed by reducing the end 17,

and by which construction it willbe seen that the wheels 12 are left free to rotate.

The tread 13 of the wheels 12 are adapted to engage and travel along the edge of the flange 5, so that the driving-belt will be firmly and securely held upon the flange, the flanges 14 of the wheels 12 engaging the outer surface of the driving-belt and regulating the adjustment of the beam 7 toward the beltwheel.

The beam 7 is supported in position by means of a shaft 21, said shaft being yieldingly secured at its inner end to a bracket 22, disposed at any suitable point upon the boiler, While the opposite end thereof is secured to the central portion of the beam 7, the inner end of shaft 21 having a double clevis 23, one end of which is disposed over and secured to the shaft 21, while the opposite end thereof is secured to the bracket 22 by disposing through said bracket and clevis IIO clevis 23 and beam 7, a clamp 25, having a tubular socket 26 on one slde thereofmto which is disposed one end of a rod 27, said the head 29, and to more readily operate the rod I have provided a handhold 33 at the free end thereof. The shaft 21 is held in a horizontal osition by disposing a supporting-arm 34 elow said shaft, so that the shaft will rest and travel thereon.

In operation the set-screw 31 is loosened and the curved beam and portions carried thereby are moved out of engagement with the belt-wheel 4 by directing a pull upon the rod 27 and swinging the shaft 21 upon its pivot-point, and after the belt 6 has been disposed upon the fiange 5 the shaft 21 is again swung inwardly until the flanges 14 of the Wheels 12 encounter the outer surface of the belt, which action will dispose the tread of the wheels 12 at each edge of the flange 5, after which the set-screw 31 is again tightened, thereby holding the wheels 12 in their adjusted position at each edge of the belt and flange, and by this construction it will be seen that the belt will be firmly held in position upon the beltwheel. seen that by providing this construction the engine can be out of true with the machinery being driven, the wheels 12 serving to hold the belt upon the belt-wheel.

What I claim is' 1. The combination with a belt-wheel and a belt on said wheel; of guide-wheels at each edge of said belt and wheel, a beam, a crosshead at each end of said beam, means to adjustably secure said guide-wheels to the cross heads and additional means to move said guide-wheels into or out of engagement with said belt and belt-wheel.

2. The combination with a belt-wheel and a belt thereon; of a shaft, means to support said shaft, a beam at one end of said shaft, a cross-head at each end of said beam having It will also beone end of said shaft, means to yieldingly secure said shaft to the bracket, a beam at the opposite end of said shaft, cross-heads on said beam, guide-wheels adjustably secured to said cross-heads and means secured to said shaft to adjustably secure said guide-wheels into or out of engagement with said .belt and belt-wheel.

4. A belt-guide of the class described comprising a beam, cross-heads on said beam, guide-wheels adjustably secured to said cross-heads, a shaft supporting said beam, means to yieldingly support said shaft, a rod secured to said shaft, and means to secure said rod whereby the shaft and parts carried thereby will be held in its adjusted position.

5. A guide of the class described comprising a shaft, a supporting-bracket at one end of said shaft, means to yieldingly secure said shaft to the bracket, a beam at the opposite end of said shaft, guide-wheels, means to se cure said guide-wheels to said beam, a rod adjustably secured to said shaft, means to limit the longitudinal movement of said rod and additional means to hold adjusted position.

6. A guide of the class described com rising a shaft, a-bracket at one end of saids laft,

I sald rod in its means to pivotally secure said shaft to the bracket, a supporting-arm. for said shaft, a beam at the free end of said shaft, crossheads at each end of said beam, guide-wheels adjustably secured to said cross-heads, a clamp on said shaft, a rod, means to adjustably secure said rod to the clamp and additional-means to limit the longitudinal movement of said rod.

In testimony whereof I have signed my name to this specification in the presence of two subscribing Witnesses.

AARON J. CHAFFIN. Witnesses:

A. B. CARTER, S. W. LURCH. 

